Product Brief Introduction
Product name: Topiramate
CAS:97240-79-4
MF: C12H21NO8S
MW: 339.362
Product Specification
|
Item |
Specification |
|
Appearance |
White or almost white powder |
|
Solubility |
Freely soluble in dichloromethane |
|
Identification |
IR: The infrared absorption spectrum of the sample complies with the reference standard. |
|
HPLC:The retention time of the major peak of the sample solution corresponds to that of the standard solution, as obtained in the assay. |
|
|
Specific Rotation (20℃) |
-28.6° ~ -35.0° |
|
Moisture (K.F) |
≤ 0.5% |
|
Sulfated Ash |
≤ 0.2% |
|
Sulphamates |
≤ 0.1% |
|
Sulphates |
≤ 0.1% |
|
Heavy Metals |
≤ 10.0ppm |
|
Related Substances(HPLC) |
Impurity A≤ 0.3% |
|
Fructose≤ 0.3% |
|
|
Single unspecified impurity ≤ 0.1% |
|
|
Total impurities ≤ 0.5% |
|
|
Residual Solvents (GC) |
Acetone ≤ 0.5% |
|
Ethanol ≤ 0.5% |
|
|
2-propanol≤ 0.5% |
|
|
Hexane ≤ 0.029% |
|
|
Tetrahydrofuran ≤ 0.072% |
|
|
Toluene ≤ 0.089% |
|
|
Pyridine ≤ 0.02% |
|
|
Assay (HPLC) |
98.0%~102.0% |



